Advertisements
Advertisements
प्रश्न
`(-5/7)^-5` is equal to ______.
पर्याय
`(5/7)^-5`
`(5/7)^5`
`(7/5)^5`
`(-7/5)^5`
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
`(- 5/7)^-5` is equal to `underlinebb((-7/5)^5)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `((-5)/7)^-5 = 1/((-5)/7)^5 = (-7/5)^5`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Simplify and write the answer in the exponential form.
`(- 3)^4 xx (5/3)^4`
The value of `1/4^-2` is ______.
The reciprocal of `(2/5)^-1` is ______.
[2–1 + 3–1 + 4–1]0 = ______.
By solving (60 – 70) × (60 + 70) we get ______.
`10^-2 = 1/100`
am × bm = (ab)m
If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use (× 1) machines.
Find x.
`(2/5)^(2x + 6) xx (2/5)^3 = (2/5)^(x + 2)`
Find x.
2x + 2x + 2x = 192
